Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered harmless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators. A process including first mixing glycolic acid and/or lactic acid (with chain-terminators), and a diol or di-acid initiator, and at least one multifunctional initiator to form a liquid monomer mixture in an agitated polycondensation reactor. Next, polycondensing to form a liquid reaction mixture comprising a pre-polymer having a weight average molecular weight of >10,000 by GPC, and greater than 80% by mole hydroxyl or carboxyl end-group termination, then crystallizing to form a first solid reaction mixture. Then, solid state polycondensing the solid reaction mixture to form a solid reaction mixture having a moisture level less than 50 ppm by weight. Then, mixing the solid reaction mixture with an appropriate reactive coupling agent in a melting and mixing extruder to couple and form the reaction mixture and form the final poly(hydroxy acid) polymer.
Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered harmless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators, processes of preparing the polymer, and uses of the polymer to provide containers and polymer films or film-derived packages prepared therefrom.
Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered harmless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators. A process including first mixing glycolic acid and/or lactic acid (with chain-terminators), and a diol or di-acid initiator, and at least one multifunctional initiator to form a liquid monomer mixture in an agitated polycondensation reactor. Next, polycondensing to form a liquid reaction mixture comprising a pre-polymer having a weight average molecular weight of >10,000 by GPC, and greater than 80% by mole hydroxyl or carboxyl end-group termination, then crystallizing to form a first solid reaction mixture. Then, solid state polycondensing the solid reaction mixture to form a solid reaction mixture having a moisture level less than 50 ppm by weight. Then, mixing the solid reaction mixture with an appropriate reactive coupling agent in a melting and mixing extruder to couple and form the reaction mixture and form the final poly(hydroxy acid) polymer.
Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.
Three independent approaches to the reduction of gas molecule permeability through a polyethylene terephthalate (PET) polyester film or container wall by increasing the mechanically or thermally induced crystallinity or the overall crystallinity level of a single or multilayer container, where the three approaches may be employed independently or in combination with one another.
B32B 27/36 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyesters
C08L 67/02 - Polyesters dérivés des acides dicarboxyliques et des composés dihydroxylés
B29C 49/00 - Moulage par soufflage, c.-à-d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désiréeAppareils à cet effet
B29C 49/22 - Moulage par soufflage, c.-à-d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désiréeAppareils à cet effet de préformes ou de paraisons multicouches
B65D 65/40 - Emploi de stratifiés pour des buts particuliers d'emballage
B65D 81/26 - Adaptations pour empêcher la détérioration ou l'altération du contenuApplications au réceptacle ou au matériau d'emballage d'agents de conservation des aliments, de fongicides, d'insecticides ou de produits repoussant les animaux avec dispositifs pour évacuer ou absorber les fluides, p. ex. s'écoulant du contenuEmploi de produits empêchant la corrosion ou de dessiccateurs
A method for producing ultra-high intrinsic viscosity (IV) polyester resin pellets from a resin that contains one or more comonomers in an amount of up to 30 mol%. The method includes extruding a polyethylene terephthalate polyester starting material having a starting IV (IVst) meeting the following relationship: 0.65 dL/g
A method for improving the impact resistance of an extrusion blow molded article by extrusion blow molding an ultra-high IV polymer resin having an IV of at least 0.9 dL/g, wherein the extrusion blow molding is carried out in a mold with a texturized base surface such that a base surface of the extrusion blow molded article is textured.
B29C 48/00 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet
B29C 48/09 - Objets dont la section transversale comporte des cavités partiellement ou entièrement fermées, p. ex. tuyaux ou canaux
Three independent approaches to the reduction of gas molecule permeability through a polyethylene terephthalate (PET) polyester film or container wall by increasing the mechanically or thermally induced crystallinity or the overall crystallinity level of a single or multilayer container, where the three approaches may be employed independently or in combination with one another.
C08L 67/03 - Les acides dicarboxyliques et les composés dihydroxylés ayant les groupes hydroxy et carboxyliques liés directement à des cycles aromatiques
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
(1) Unprocessed artificial resins; unprocessed plastics; adhesives for general industrial use; synthetic resin compounds in the form of polymer chips for use in the manufacture of containers, bottles, cups, lids, trays, and other plastic products
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
(1) Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers
(2) Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
(1) Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers
(2) Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers. Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers. Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
Produits et services
Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products
A method for improving the impact resistance of an extrusion blow molded article by extrusion blow molding an ultra-high IV polymer resin having an IV of at least 0.9 dL/g, wherein the extrusion blow molding is carried out in a mold with a texturized base surface such that a base surface of the extrusion blow molded article is textured.
Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.
Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.
C08G 63/48 - Polyesters modifiés chimiquement par estérification par des huiles d'acides gras supérieurs non saturés ou leurs acidesPolyesters modifiés chimiquement par estérification par des acides résiniques
24.
Ultra-high IV polyester for extrusion blow molding and method for its production
An ultra-high IV polyester suitable for high melt strength end-uses, such as injection blow molding, pipe extrusion, profile extrusion, and extrusion blow molding, is provided, having IV of greater than 0.9; and a process for its production having high IV lift rate during SSP processing.
An ultra-high IV polyester suitable for high melt strength end-uses, such as injection blow molding, pipe extrusion, profile extrusion, and extrusion blow molding, is provided, having IV of greater than 0.9; and a process for its production having high IV lift rate during SSP processing.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
Produits et services
Unprocessed artificial resins; unprocessed plastics; adhesives for general industrial use; synthetic resin compounds in the form of polymer chips for use in the manufacture of containers, bottles, cups, lids, trays, and other plastic products
28.
METHOD FOR PROCESSING NON-SOID STATE POLYMERIZED POLYESTER RESINS WITH REDUCED VISCOSITY CHANGE
A method of processing a polyester composition without changing the Intrinsic viscosity of the polyester polymer by more than 0.025 dL/g such as Injection molding a PET resin to form a bottle perform and blow molding a container from the bottle preform.
B29C 39/02 - Moulage par coulée, c.-à-d. en introduisant la matière à mouler dans un moule ou entre des surfaces enveloppantes sans pression significative de moulageAppareils à cet effet pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés
29.
Co-polyester packaging resins prepared without solid-state polymerization, a method for processing the co-polyester resins with reduced viscosity change and containers and other articles prepared by the process
A method of processing a polyester composition without changing the intrinsic viscosity of the polyester polymer by more than 0.025 dL/g such as injection molding a PET resin to form a bottle perform and blow molding a container from the bottle preform.
B29C 51/00 - Façonnage par thermoformage, p. ex. façonnage de feuilles dans des moules en deux parties ou par emboutissage profondAppareils à cet effet
C08G 63/181 - Acides contenant des cycles aromatiques
B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
C08G 69/48 - Polymères modifiés par post-traitement chimique
C08F 20/00 - Homopolymères ou copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et un seul étant terminé par un seul radical carboxyle ou un sel, anhydride, ester, amide, imide ou nitrile
The invention provides UV-barrier formulations which result in products which effectively resist the transmission of ultraviolet light therethrough. The invention also provides UV-barrier formulations which result in products with improved resistance to ultraviolet light. In particular, the invention provides UV barrier formulations for polyester resins that have improved resistance to ultraviolet radiation, and significantly reduce ultraviolet light transmission in the resulting resin products. The invention also provides products and manufacturing processes based on the above formulations.
The invention provides UV-barrier formulations which result in products which effectively resist the transmission of ultraviolet light therethrough. The invention also provides UV-barrier formulations which result in products with improved resistance to ultraviolet light. In particular, the invention provides UV barrier formulations for polyester resins that have improved resistance to ultraviolet radiation, and significantly reduce ultraviolet light transmission in the resulting resin products. The invention also provides products and manufacturing processes based on the above formulations.
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
A method for producing an ultra-high intrinsic viscosity polyester resin having a final IV of at least 0.9 dL/g, where the polyester starting material has been prepared by melt polymerization up to a starting IV with no more than 0.05 dL/g of IV lift due to solid-state polymerization, and where the polyester starting material is in solid form as a resin particle having been subjected to latent heat crystallization upon formation of the resin particle, and having a variation of IV of no more than 0.05 dL/g across any dimension of the resin particle.
Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.
C08L 67/00 - Compositions contenant des polyesters obtenus par des réactions créant une liaison ester carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
42.
POLY(GLYCOLIC ACID) FOR CONTAINERS AND FILMS WITH REDUCED GAS PERMEABILITY
ABSTRACT Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered haimless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators. A process including first mixing glycolic acid and/or lactic acid (with chain-terminators), and a diol or di-acid initiator, and at least one multifunctional initiator to form a liquid monomer mixture in an agitated polycondensation reactor. Next, polycondensing to form a liquid reaction mixture comprising a pre-polymer having a weight average molecular weight of >10,000 by GPC, and greater than 80% by mole hydroxyl or carboxyl end-group termination, then crystallizing to form a first solid reaction mixture. Then, solid state polycondensing the solid reaction mixture to form a solid reaction mixture having a moisture level less than 50 ppm by weight. Then, mixing the solid reaction mixture with an appropriate reactive coupling agent in a melting and mixing extruder to couple and form the reaction mixture and form the final poly(hydroxy acid) polymer. Date Recue/Date Received 2020-12-24
B32B 27/36 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyesters
B65D 23/00 - Parties constitutives des bouteilles ou des pots non prévues ailleurs
B65D 65/38 - Matériaux d'emballage de type ou forme particulière
B65D 81/24 - Adaptations pour empêcher la détérioration ou l'altération du contenuApplications au réceptacle ou au matériau d'emballage d'agents de conservation des aliments, de fongicides, d'insecticides ou de produits repoussant les animaux
C08L 67/02 - Polyesters dérivés des acides dicarboxyliques et des composés dihydroxylés
C08L 67/04 - Polyesters dérivés des acides hydroxycarboxyliques, p. ex. lactones
43.
A PROCESS FOR MANUFACTURING CO-POLYESTER BARRIER RESINS WITHOUT SOLID-STATE POLYMERIZATION, CO-POLYESTER RESINS MADE BY THE PROCESS, AND CLEAR MONO-LAYER CONTAINERS MADE OF THE CO-POLYESTER RESINS
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
CO-POLYESTER PACKAGING RESINS PREPARED WITHOUT SOLID-STATE POLYMERIZATION, A METHOD FOR PROCESSING THE CO-POLYESTER RESINS WITH REDUCED VISCOSITY CHANGE, AND CONTAINERS AND OTHER ARTICLES PREPARED BY THE PROCESS
A method of processing a polyester composition without changing the Intrinsic viscosity of the polyester polymer by more than 0.025 dL/g such as Injection molding a PET resin to form a bottle perform and blow molding a container from the bottle preform.
B29C 39/02 - Moulage par coulée, c.-à-d. en introduisant la matière à mouler dans un moule ou entre des surfaces enveloppantes sans pression significative de moulageAppareils à cet effet pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés
Three independent approaches to the reduction of gas molecule permeability through a polyethylene terephthalate (PET) polyester film or container wall by increasing the mechanically or thermally induced crystallinity or the overall crystallinity level of a single or multilayer container, where the three approaches may be employed independently or in combination with one another.
C08L 67/03 - Les acides dicarboxyliques et les composés dihydroxylés ayant les groupes hydroxy et carboxyliques liés directement à des cycles aromatiques
